CN101096198A - Side airbag - Google Patents

Side airbag Download PDF

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Publication number
CN101096198A
CN101096198A CNA2007101278423A CN200710127842A CN101096198A CN 101096198 A CN101096198 A CN 101096198A CN A2007101278423 A CNA2007101278423 A CN A2007101278423A CN 200710127842 A CN200710127842 A CN 200710127842A CN 101096198 A CN101096198 A CN 101096198A
Authority
CN
China
Prior art keywords
air bag
side airbag
installing side
chamber
function band
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CNA2007101278423A
Other languages
Chinese (zh)
Other versions
CN101096198B (en
Inventor
拉尔夫·古特曼
雷纳·霍伊施米德
罗伯特·盖茨
托马斯·西弗斯
霍尔格·里斯特
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Joyson Safety Systems Germany GmbH
Takata Petri AG
Original Assignee
Takata Petri AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Takata Petri AG filed Critical Takata Petri AG
Publication of CN101096198A publication Critical patent/CN101096198A/en
Application granted granted Critical
Publication of CN101096198B publication Critical patent/CN101096198B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
    • B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
    • B60R21/23—Inflatable members
    • B60R21/231—Inflatable members characterised by their shape, construction or spatial configuration
    • B60R21/2334—Expansion control features
    • B60R21/2338—Tethers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
    • B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
    • B60R21/23—Inflatable members
    • B60R21/231—Inflatable members characterised by their shape, construction or spatial configuration
    • B60R21/23138—Inflatable members characterised by their shape, construction or spatial configuration specially adapted for side protection
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
    • B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
    • B60R21/23—Inflatable members
    • B60R21/231—Inflatable members characterised by their shape, construction or spatial configuration
    • B60R21/233—Inflatable members characterised by their shape, construction or spatial configuration comprising a plurality of individual compartments; comprising two or more bag-like members, one within the other
    • B60R2021/23316—Inner seams, e.g. creating separate compartments or used as tethering means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
    • B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
    • B60R21/23—Inflatable members
    • B60R21/231—Inflatable members characterised by their shape, construction or spatial configuration
    • B60R21/2334—Expansion control features
    • B60R21/2338—Tethers
    • B60R2021/23382—Internal tether means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
    • B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
    • B60R21/23—Inflatable members
    • B60R21/231—Inflatable members characterised by their shape, construction or spatial configuration
    • B60R21/2334—Expansion control features
    • B60R21/2338—Tethers
    • B60R2021/23386—External tether means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
    • B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
    • B60R21/20—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components
    • B60R21/217—Inflation fluid source retainers, e.g. reaction canisters; Connection of bags, covers, diffusers or inflation fluid sources therewith or together
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
    • B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
    • B60R21/23—Inflatable members
    • B60R21/239—Inflatable members characterised by their venting means

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Air Bags (AREA)

Abstract

A side airbag arrangement for a vehicle occupant restraint system includes an airbag which is provided for the protection of a vehicle occupant and which has at least two inflatable chambers which are in each case to assume a specific position in a motor vehicle after inflation. A functional band is provided, which is secured by a portion outside the airbag. At least a portion of the functional band exerts on at least one of the chambers of the airbag a holding force, which has the effect that the chamber, after inflation, assumes the position provided for the chamber.

Description

Installing side airbag
Technical field
The application relates to a kind of installing side airbag equipment that is used for vehicle occupant restraint system, and it has the inflatable air bag that is used to protect automotive occupant, and relates to a kind of installing side airbag equipment.
Background technology
As everyone knows, in vehicle seat, be provided with the installing side airbag of side direction protection automotive occupant when having an accident.Utilize the belt for example constitute by fabric, the installing side airbag that can realize the above-mentioned type during launching and the stability after launching, the specific region of this belt reinforcement installing side airbag or each zone of installing side airbag is connected to each other.
About having the installing side airbag of a plurality of inflatable chamber, well-known, by the different chamber of belt connection air bag, so that during the airbag deployment and after airbag deployment chamber is being located relative to one another.
Summary of the invention
A disclosed exemplary embodiment relates to the installing side airbag equipment that is used for vehicle occupant restraint system.This installing side airbag equipment comprises: the air bag and the function band that are provided for protecting automotive occupant.Air bag comprises at least two inflatable chamber, and in all cases, this inflatable chamber all occupies the ad-hoc location in the power actuated vehicle after expanding.Described function band is fixed by the exterior part of air bag.The function band is configured to apply confining force at least one of the chamber of described air bag, makes described chamber occupy the desired location into described chamber setting after expanding.
Another exemplary embodiment relates to the installing side airbag equipment that is used for vehicle occupant restraint system.Installing side airbag equipment comprises inflatable air bag, function band and be used to keep the holding device of gas generator.Described air bag comprises and is used to connect described air bag at least one connection structure to described holding device.Described connection structure is arranged on the described function band that is fixed to described air bag.
Will be appreciated that above-mentioned general introduction and following detailed description only are exemplary with illustrative, and do not limit the present invention for required protection.
Description of drawings
By following explanation, claim and exemplary embodiment shown in the drawings, these and other feature of the present invention, aspect and advantage will be become obviously, following briefly described.
Fig. 1 illustrates first embodiment of the installing side airbag with function band.
Fig. 2 a and 2b illustrate second embodiment of the installing side airbag with function band.
Fig. 3 a-3c illustrates first modification that the function band is fixed to vehicles.
Fig. 4 a and 4b illustrate the second fixing modification.
Fig. 5 a-5d illustrates the 3rd fixing modification.
Fig. 6 a and 6b illustrate the 4th fixing modification.
Fig. 7 a and 7b illustrate the modification that the function band is fixed to air bag.
Fig. 8 illustrates the function band that is fixed to air bag and has coupling link.
Fig. 9 illustrates the air bag with additional functionality band.
The specific embodiment
According to an exemplary embodiment, the installing side airbag equipment with inflatable air bag can be configured to than located the air bag that is launched in the past more exactly in vehicle.
Therefore, in an embodiment, provide the equipment of the installing side airbag with air bag, this air bag is provided for protecting automotive occupant and has at least two inflatable chamber, and in all cases, this inflatable chamber all occupies the ad-hoc location in the power actuated vehicle after expanding.In addition, provide the function band, this function band is fixed by the exterior part of air bag, and utilizes another part to apply confining force at least one air bag chamber, and this confining force has makes chamber occupy effect into the set position of this chamber after chamber expands.
The function band allows to point to the location to one in the air bag chamber, thereby improves the protective effect of air bag on the whole.In this case, the function band is fixed by the exterior part of air bag, i.e. this function band chamber of air bag that is not connected to each other, but the chamber of air bag is connected to vehicle.The chamber of air bag is interpreted as in this manual: not only refer to each expandable part of air bag, and refer to form jointly the separation expandable part (it is connected to each other) of air bag.
In an embodiment, after airbag deployment, first chamber of air bag extended with respect to vertical vertical axis at least partially in the following of another chamber, and the function band application adds confining force on first chamber.
By this structure of installing side airbag equipment, can realize the sensing location of first (descending) chamber of air bag with respect to automotive occupant to be protected.Especially; the function band that applies confining force can design and connect and be: make its " maintenance " chamber to a certain extent during launching; so that the situation of the protection when avoiding at all not designing first chamber; be that expansion chamber folds on the automotive occupant direction or is pulled upwardly by the other chamber of air bag, perhaps be in the front of the body region of automotive occupant.
The function band must have enough peel strengths, so that make this function band during launching, keep the air bag chamber reliably, and can be owing to the tension force that acts on during the airbag deployment is torn.This function band can for example be formed by plastics or fabric, but the use of fabric can be with the function air bag that is bonded to seam.
In the special preferred embodiment of installing side airbag, first chamber design is the pelvis area of protection automotive occupant.The function band can (promptly be added in confining force on the chamber by the function band application) and stop following situation, and promptly after launching, the pelvis chamber extends fully in the zone of chest or extends, and is perhaps mutually concordant with the chest of automotive occupant.In addition, but second chamber of regulation installing side airbag is dispensed to chest region, and in addition, the 3rd chamber is dispensed to the head zone of automotive occupant.
Because may be greater than the load that chest region bore that is positioned at above the pelvis area, so the pelvis chamber is designed to: the internal pressure in the chamber (chest chamber) that makes its internal pressure that has be higher than to be dispensed to the automotive occupant chest in load that the pelvis area of automotive occupant aspect the biomechanics bears.Therefore must avoid following situation, promptly during the expansion of air bag, the pelvis chamber enters the flank zone of automotive occupant, and this may clash into and be positioned at the part that is full of the flank zone on the high-voltage pelvis chamber, rather than is full of the part in the flank zone on the chest chamber of low pressure.
According to embodiment, owing to the pelvis chamber can be located in the sensing mode by the function band, so can realize above-mentioned target.Keep the pelvis chamber by the function band, make: on the one hand, this pelvis chamber does not enter the flank zone of automotive occupant, and on the other hand, this pelvis chamber occupies the position of the best protection of the pelvis area that automotive occupant is provided.
In the favourable improvement of embodiment, the function band is fixed to first chamber of air bag, promptly for example is fixed to the pelvis chamber of air bag.This moment, first chamber can be limited by border (marginal region), the part of function band can be for example by gluing bonding or sutured to this borderline region.
For the sensing of first (bottom) chamber of realizing installing side airbag keeps, fixed function band on the side of the air bag in the lower area (with respect to vertical vertical axis) of first chamber advantageously.Yet this not necessarily; Select linkage function to bring to the actual type of air bag as requested.Necessary only is that first chamber of air bag occupies desired position after launching.
In addition, preferably, a plurality of parts of function band are connected to air bag.This makes: on the one hand, can have stable especially being connected of function band and air bag; On the other hand, can carry out the sensing control of the expansion of air bag by the position of point of connection.For example, if each connecting bridge of function band is connected to each air bag part, then can strain air bag extraly.Therefore, except that the location of first chamber, according to the type of the installation or the use of air bag, the sensing of swelling gasbag is shaped and also is fine.As mentioned above, can certainly a part (for example a, end) be fixed to air bag with the function band.
For the function band can apply confining force on the chamber (for example, lower chamber) of air bag, so at that part of vehicles that advantageously is fixed to of the function band of the external stability of air bag.Simultaneously, for example, another part of function band is connected to the chamber of air bag or is connected to another part of air bag.Yet, in all cases, all must guarantee to produce the confining force of the chamber be applied to air bag from the function band, even be connected in the outside of chamber at the function band under the situation of air bag also be.
That part of of function band in air bag external stability can for example be fixed to the part of vehicle seat, the part of air bag component (air bag component under the air bag or other air bag component) or the part of vehicle body.
The position of the chamber that launches can be by the function band length and function band be provided with respect to the layout of air bag (promptly one side is fixed to the position of air bag with respect to the function band, on the other hand with respect to the fixed position on the vehicles).
In advantageous embodiment, the function band has multilayer (multi-ply) design, can form especially ring or bag in this case.For example, about ring, two one of loose ends are fixed to air bag above another, and the end of ring seal simultaneously forms the free end of function band, so the function band forms a kind of " linking closely " on air bag.Yet in principle, the actual configuration of air bag can freely be selected and especially be depended on to the geometric configuration of function band.
In addition, extra function band can be set, it is connected to each other at least two parts (for example, two chambers) of air bag.This can accurately locate two parts of air bag relative to one another.The extra needed degree of function band or its favourable degree depend on the environment that assembles air bag and the actual configuration of air bag, perhaps depend on around the actual configuration of the air bag component of air bag.
Bring among another embodiment of air bag in fixed function, function brings to small part in the inner extension of air bag.On the one hand, this can be embodied as makes air bag have interior revolving part, is extended with the end of the function band of the air bag in the revolving part in being connected in interior revolving part.On the other hand, " inside " can refer to also that the function band is extruded with by the aperture in the airbag wall and enter air bag in-to-in part, and be fixed to the part of the inside face of air bag.In this case, the design of air bag must be considered the following fact: gas can discharge by the aperture in the airbag wall.
In another embodiment, the function band has seam, and this seam is connected to each other at least two parts of function band, so that shorten the effective length of function band, and is designed to make and tears during airbag deployment.Therefore, for example, this makes air bag to fold compactly, and needn't shorten the effective length of function band.Be extraly or alternatively, the function band is designed to make its aerification during airbag inflation, thereby improves the rigidity of function band and the rigidity that therefore improves installing side airbag on the whole.
The function band is sewn or at one end is connected in addition air bag, but this function band also can be made into integration with air bag.This is owing to the fact of manufacturing function band when making the air bag blank.
In the special decision design of the embodiment of installing side airbag equipment, comprise the gas generator that is used for the tympanites air bag and be used for fixing the holding device of gas generator, such as support to the part of the part of vehicle seat or vehicle body.
Preferably, holding device has fixed part, and by this fixed part, holding device can be connected to the part of vehicle seat or the part of vehicle body.For example, fixed part can have the separating part that longitudinal extension designed and constituted the other parts that can be connected to holding device.
About the function band being fixed in the favourable form of vehicles, the part of function band, especially free end is fixed with fixed part, especially is screwed to the part of vehicle seat or the part of vehicle body.For example, in this case, an end (fixed end) of function band is connected to installing side airbag securely, and the other end of function band (with respect to the end that is connected to air bag) is connected to vehicle.In an embodiment, also possible is, the centre portion of function band is connected to air bag, so the function band will have two free ends, one or two in these two free ends all are connected to vehicle.
In being used for fixing the another preferred embodiment that function brings to vehicles, fixed part is connected to another part of holding device by bolt, and the part of function band (with fixed part) is fixed to bolt.Therefore, the function band is fixed to the fixed part of holding device by a part (for example, free end), rather than directly is fixed to the part of vehicle.In this embodiment, also can realize effect of contraction (promptly keeping first (bottom) air bag chamber).
In addition, the part of function band can be designed to be suspended on the ring on the fixed part of holding device.At this moment, holding device by this ring, is fixed (suspension) on fixed part so this encircles with fixed part.Particularly, fixed part designs for longitudinal extension, and it has the end away from the air bag bending, and the ring of function band is suspended on this fixed part simultaneously.This stops the function band of suspension to leave the holding device slip extraly.
In another embodiment, air bag is the integral part by the air bag component that module cover centered on, and the part of function band is fixed to module cover.Preferably, module cover has the upper and lower, and after air bag component was assemblied in the backrest of vehicle seat, this upper side was to the side of backrest, and side dorsad, bottom, and the part of function band is connected to the bottom.In decision design, the bottom of module cover has fixedly band (for example, forming with module cover is whole), and the part of function band is suspended on this fixedly on the band.
In another embodiment, be provided with the installing side airbag equipment that is used for vehicle occupant restraint system, it has inflatable air bag, is used to make the gas generator and the holding device of air bag tympanites, can be connected to the part of vehicle seat or the part of vehicle body by this holding device gas generator, air bag has at least one connection structure that is used for air bag is connected to holding device.Connection structure is arranged on the function band that is fixed to air bag.
In a preferred embodiment, the function band has at least two connection structures that are used to be connected to holding device, in all cases, has only one of them connection structure optionally to be connected to holding device.Connection structure designs and is set to: make the shape of air bag after launching depend on which connection structure is connected to fixed mechanism.
Therefore, air bag can adapt to specific requirement simply, for example adapts to the type of air bag component or the type that air bag is bonded to the seat in it.Under the situation of two connection structures, can select between two different air bag modification (i.e. the shape of the air bag of Zhan Kaiing), desired modification is limited by the fixing institute of the specific connection structure (corresponding to desired air bag modification) of the available connection structure of holding device and function band.In a preferred embodiment, the function band is along the surface arrangement of air bag.
For example, the chamber of air bag can be suitable for specific body region exactly, even and this adaptation can not produce during making air bag yet.Be used for different application (for example, using the different vehicle type of air bag) owing to can make initial identical air bag, so simplified the air bag manufacturing.Only adapt between erecting stage, produce by anchor fitting being connected to specific connection structure.
It should be understood that present embodiment is not limited to two connection structures.This connection structure of any number required can be set in principle.The number of connection structure depends on the intended purpose of the structure and the air bag of air bag.
In an embodiment, holding device advantageously has the longitudinal extension fixed part, is used to connect holding device to the part of the vehicle seat that is parallel to the ring extension or the part of vehicle body.
Particularly, the shape of air bag can refer to its external shape (geometric configuration of perhaps single air bag chamber).Particularly, the volume of air bag can change according to bladder shape.Therefore, air bag occupied volume after launching can be depending on current which connection structure and is connected to anchor fitting.
Preferred embodiment provides loop design or the design of bag shape for the connection structure of function band.Particularly, the function band has the ring as connection structure, and this ring forms transverse to its longitudinal direction, encircles the fixed part of bootable holding device by this.Therefore, coupling link is suspended on the fixed part, and therefore is fixed to this fixed part.For example, hang, make and strain the function band to a certain extent, so that it is not from the holding device slippage.
Preferably, described ring extends on the whole width of function band along the guiding direction of passage, and is for example formed by the seam with respect to the longitudinal direction horizontal expansion of function band.Because wide ring, it is become be difficult to the slippage holding device extraly more, so such wide ring makes it possible to have the reliable connection to the holding device fixed part of holding device (perhaps to).For example, what the function band can be for multilayer, and between ring, be seamed to air bag along its vertical side.
In favourable improvement, the fixed part of holding device has the end, and this end is designed to so that angled away from air bag, and therefore stops the function band slippage that is suspended on the fixed part extraly.
The hereinafter with reference accompanying drawing illustrates in greater detail embodiment.
Fig. 1 represents to be in the installing side airbag 1 of swelling state, and it has two chambers 11,12.The chamber 11 of air bag 1; 12 are assigned to the different body region of automotive occupant to be protected: the pelvis area of chamber 11 (pelvis chamber) the protection automotive occupant that extends below chamber 12 with respect to vertical direction of traffic is arranged in the chest region and the head zone of the chest chamber 12 protection automotive occupants of pelvis chamber 11 tops.The part of the chest chamber 12 that extends in the zone that transits to pelvis chamber 11 is provided with strengthens flaggy 122, so that the influence of (heat) air-flow that flows out from the gas generator (not shown) of swelling gasbag is avoided being used in these zones of protection air bag.
In this case, each internal pressure of chamber is inequality and all be suitable for body region to be protected in all cases; Because aspect biomechanics, people's chest region can bear the load more less than pelvis area, so the internal pressure in the chest chamber 12 is lower than the pressure in the pelvis chamber 11.In order to carry out pressure adaptation, chest chamber 12 has the vent window 121 of discharging a part that flows into the gas in the chamber 12 once more, so produce lower internal pressure.
Pelvis chamber 11 with the form of boots at the K/UP forwards that moves, and in the lower region (for example, in the zone of " boots heel ") is connected to the function band with the form of pull-in range 2.In this case, the part 21 of pull-in range 2 is seamed to the part of the borderline region 111 of air bag 1, and described borderline region 111 is around pelvis chamber 11.Part 21 forms an end of pull-in range 2.Pull-in range 2 with sew up the part (perhaps being connected to the part of vehicle seat or the part of the installing side airbag assembly under the installing side airbag 1) that end 21 part separately can be connected to vehicle body.Particularly, fixing can carrying out at free end 22 places of pull-in range 2, described free ending tool is useful on the fixed orifice 23 of this purpose.
The free end 22 of the pull-in range 2 by being connected to vehicles; pelvis chamber 11 after the expansion is located with respect to automotive occupant to be protected by installing side airbag; promptly the pelvis chamber 11 after this expansion remains following degree; promptly make it can not fold too far on the direction of automotive occupant to be protected, perhaps it is not drawn in the flank zone of automotive occupant to be protected by chest chamber 12.
As mentioned above, aspect biomechanics, the load more less than pelvis area can be born in the flank zone of automotive occupant, and therefore, chest chamber 12 is full of the pressure lower than pelvis chamber 11.Then, if pelvis chamber 11 is folded between expansion period in the flank zone of automotive occupant, then this body region will clash into the pelvis chamber at least in part, rather than as clash into the chest chamber predeterminedly.Therefore, after impacting, aspect biomechanics, the chest region of automotive occupant will bear too high load.This is by keeping pelvis chamber 11 to prevent by pull-in range 2.
In the structure of Fig. 1, pull-in range 2 has the essentially rectangular design, and has the material flaggy of a plurality of fabrics.Yet the geometric configuration of pull-in range is not limited to this structure certainly; The geometric configuration of pull-in range is constructed according to the practical embodiments of air bag or the practical embodiments of air bag component.
Air bag 1 has borderline region 111 and band 112 extraly, and the free end of this band 112 is foldable to air bag and is attached thereto and connects, so that obtain ring.Be used to keep the holding device (support) of gas generator (not shown) can be introduced into this ring, therefore simultaneously air bag aimed at by holding device.
Fig. 2 a, 2b shows, and is equivalent to the installing side airbag 1 of the installing side airbag 1 of Fig. 1 in configuration aspects.Pelvis chamber 11 is fixed to the pull-in range 2 of the pelvis chamber 11 that is used to locate expansion.Opposite with the pull-in range of Fig. 1, Fig. 2 a, the pull-in range of 2b be by two part 21a, 21b, rather than shown in Figure 1 only by the borderline region 111 around pelvis chamber 11 of a partial fixing to installing side airbag 1.
Fig. 2 a, the pull-in range 2 of 2b have the multilayer design equally.Fig. 2 b (it illustrates the profile of the installing side airbag of expansion) illustrates " swing open " state of pull-in range 2, and this pull-in range 2 has two strip portion 24a, 24b.On the one hand, swing open pull-in range 2 is folding along its symmetrical longitudinal axis A.On the other hand, the free end of folding (swing open) pull-in range also is fixed to pull-in range, makes outer strip part 24a overlap with strip portion 24b.This produces ring 26, and pull-in range 2 can encircle 26 by this and be suspended on the vehicles.
Fig. 3 a to 3c illustrates first modification, and its part of pull-in range 2 that is used for being connected to the pelvis chamber 11 of installing side airbag 1 is fixed to vehicles.Shown in above-mentioned accompanying drawing, pull-in range 2 at one end 21 places is seamed to the part of the borderline region 111 of pelvis chamber 11 securely.Another part 22 (free end) of pull-in range 2 is screwed to the part of vehicle body by screw 25.
Can find out that in Fig. 3 b the band 112 that is formed on the boundary of chamber 11 forms ring, this ring is passed through in longitudinal extension adapter plate 52 guiding that are used for the holding device 5 (support) of gas generator.Holding device 5 is used for the gas generator (not shown) is connected to vehicles.Adapter plate 52 constitutes the fixed part of holding device 5, but it is made as separated portions.
One end 51 of adapter plate 52 is angled, and is connected to vehicles (part of vehicle seat) at helical position 50 places.The free end 22 of pull-in range 2 is tightened at helical position 50 places with the end 51 of adapter plate 52, and therefore firmly is connected to vehicles.
In Fig. 3 c, similar to Fig. 3 b, the free end 22 of pull-in range 2 is tightened at helical position 50 places with the adapter plate 52 of holding device 5.In addition, be furnished with the bottom 6 of the module cover that is used to cover the air bag component under the air bag 1.Under air bag component was installed in situation in the vehicle seat, the bottom 6 of module cover covered a side of air bag components and enters seat in-to-in position.Part 6 has aperture 61, and the free end 22 of pull-in range 2 guides to helical position 50 by this aperture 61.
Fig. 4 a, 4b illustrate the part 22 that is used for fixing pull-in range 2 second modification to vehicles.Air bag component under air bag 1 or the air bag 1 has the holding device 5 that is used for the gas generator (not shown), and described holding device has the adapter plate 52 that is used to be connected to vehicles.Adapter plate 52 is connected to other parts (clip) of holding device in the zone of gas generator.By bolt 55a, 55b connects.
Adapter plate 52 extends through the ring 112 that is in the air bag border, and has and fixed orifice 57 angled ends 51, is used for fixing holding device (for example, passing through screw).Pull-in range 2 extends by ring 112 from air bag equally, and is fixed to anterior bolt 55a (with respect to pull-in range 2) with the adapter plate 52 of holding device 5.In Fig. 4 b, above-mentioned situation is shown enlargedly from another visual angle.At this moment, it should be understood that the not necessarily essential guiding of pull-in range by ring 112, but can also around ring, extend.
Fig. 5 a to 5d relates to the part 22 that is used for fixing pull-in range 2 the 3rd modification to vehicles.In this case, pull-in range 2 forms ring, and the open end 21 of ring is stitched together on the boundary member of pelvis chamber 11 securely.The closed end 22 of ring-type pull-in range 2 is suspended on the end 51 of adapter plate 52 of gas generator holding device, thereby pull-in range 2 (so pelvis chamber 11) is fixed to adapter plate 52.
So that avoid ring-type pull-in range 2 from adapter plate 52 slippages, and there is reliable connection (Fig. 5 c that leaves crooked end 51 of adapter plate 52 relatively is shown) away from air bag 1 bending in the end 51 of adapter plate 52 between pull-in range 2 and adapter plate 52.
In addition according to Fig. 5 c, be furnished with the bottom 6 (comparison diagram 3c) of the module cover that is used to cover the air bag component under the air bag 1.As Fig. 5 a, shown in the 5b, the closed end 22 of pull-in range 2 is suspended on the end 51 of adapter plate.The ring of pull-in range is covered by the lateral boundaries side direction of part 6.
Fig. 5 d illustrates the complete assemblies shell 8 that is used for air bag component, and this shell 8 also has top 7 except that bottom 6, and when assembly was installed in the seat, the outside of seat was pointed on this top 7.The adapter plate 52 of gas generator holding device is introduced between top 7 and the bottom 6.In this case, the annular end 22 of pull-in range be disposed in adapter plate 52 angled end 51 around, therefore and be connected to adapter plate 52.
Fig. 6 a, 6b relate to the part that is used for fixing pull-in range the 4th modification to vehicles.In this modification, the end 22 of pull-in range 2 is fixed to the package shell bottom 6 of air bag component.As above further described, bottom 6 covers the side of air bag component, and when assembly was installed in the vehicle seat, this bottom 6 is the outside of seat dorsad.Bottom 6 is connected to seat securely, even also keep this connection during airbag inflation.The end 22 of pull-in range 2 has slit-like opening mouth 23, and pull-in range 2 is suspended on by this slit-like opening mouth 23 on the fixedly band 63 of bottom 6 of package shell.
Because free end 22 is suspended on the bottom 6, pull-in range 2 is connected to bottom 6 securely, the therefore feasible desired location that obtains the pelvis chamber (not shown in Fig. 6 a) of installing side airbag.As described in above-mentioned example, the end of the pull-in range 2 relative with free end 22 connects in this case, for example is seamed to the pelvis chamber of installing side airbag securely.
Fig. 6 b illustrates the lateral plan of bottom 6.Bottom 6 has lateral boundaries 62, is formed with the band 63 that is used to hang pull-in range in lateral boundaries 62.
Fig. 7 a, 7b illustrate and are used for fixing the modification of pull-in range 2 to air bag chamber 11.One end 21 of pull-in range 2 guides to air bag inside by the aperture 113 of air bag 11, and connects at this, for example is seamed to the part 114 of air bag inwall.
Fig. 8 illustrates the pull-in range that is connected to air bag according to another embodiment.In fact pull-in range 2 extends on the whole width on the surface of air bag chamber 11, and is seamed to air bag 1 along its vertical side 29 by longitudinal seam 290, so that make it be firmly-fixed to air bag 1.
Pull-in range 2 has two ring 26a as connection structure, 26b, in all cases, and these two ring 26a, 26b is suspended on the elongated adapter plate 52 of holding device 5, and therefore is connected to holding device 5.Adapter plate 52 constitutes the fixed part of holding device.Be suspended on ring 26a according to adapter plate 52, among the 26b which, air bag 1 will produce given shape after expanding, and this given shape depends on coupling link 26a on the air bag or the position of 26b.In an embodiment, can form ring by seam 260, as shown in Figure 8 all.
Fig. 8 illustrates bootable adapter plate and is by one among ring 26a and the 26b fact with another, is furnished with and is suspended on ring 26a, two adapter plates 5 among the 26b in all cases.Yet in an embodiment, air bag component only has and optionally is suspended among the ring 26a or at the adapter plate of ring among the 26b.
For example, be placed as among the further outside ring 26b if adapter plate 52 is suspended in, then owing to chamber 11 expansion in the clear, this pull-in range 2 is fixed to this chamber 11, so will obtain to have the air bag of larger volume.Yet, if being suspended in, adapter plate 52 is arranged to respect among the further inside ring 26a of air bag chamber 11, the volume in the upper area of air bag chamber 11 reduces.Therefore, by the ring that adapter plate 52 is hung, the volume of the air bag of expansion and geometric configuration can be changed and be suitable for the special-purpose of air bag.
Fig. 9 illustrates the air bag 1 with pelvis chamber 11 and chest chamber 12 and extra head chamber 13.Air bag 1 has the function band 200,201,202 that additionally is attached to the pull-in range (not shown), and this pull-in range is installed the pelvis chamber 11 of air bag 1.In this case, function belt 201,202 is disposed between the various chambers 11,12 and 12,13 of air bag 1, so these chambers are located during launching and after launching relative to one another.Pull-in range 200 be arranged (with respect to chamber 12) move from vehicle forwards on a part of seeing the installing side airbag 1 that is in the back, and be used for the stable air bag that expands.
In first to file: the German patent application No.DE 20 2,006,010 362.7 that on June 29th, 2007 proposed, comprise specification sheets, accompanying drawing, claim and summary, all incorporate into as a reference at this.
Though disclose the present invention, one skilled in the art will understand that the embodiment and the improvement that in scope and spirit of the present invention, can have other.Therefore, those skilled in the art is included as further embodiment of the present invention from all improvement that the disclosure obtained in scope and spirit of the present invention.Scope of the present invention is limited by claim.

Claims (41)

1. installing side airbag equipment that is used for vehicle occupant restraint system comprises:
Air bag, this air bag is provided for protecting automotive occupant, and comprises at least two inflatable chamber, and in all cases, these at least two inflatable chamber all occupy the ad-hoc location in the power actuated vehicle after expanding; With
The function band, it is fixed by the exterior part of air bag, and described function band is configured to apply confining force at least one of the described chamber of described air bag, makes described chamber occupy the desired location into described chamber setting after expanding.
2. installing side airbag equipment as claimed in claim 1, wherein, after described airbag deployment, first chamber of described air bag extended with respect to vertical vertical axis at least partially in the following of at least one other chamber, and described function band application adds confining force on described first chamber.
3. installing side airbag equipment as claimed in claim 2, wherein, described first chamber design is the described pelvis area of protection automotive occupant.
4. installing side airbag equipment as claimed in claim 3, wherein, being added in described confining force on described first chamber by described function band application, to prevent that described first chamber from extending to mutually concordant with the chest region of automotive occupant.
5. installing side airbag equipment as claimed in claim 1, wherein, at least one part of described function band is fixed to first chamber of described air bag.
6. installing side airbag equipment as claimed in claim 1, wherein, a plurality of parts of described function band are connected to described air bag.
7. installing side airbag equipment as claimed in claim 1 wherein, is fixed to vehicles in the described part of the described function band of described air bag external stability.
8. installing side airbag equipment as claimed in claim 7, wherein, described vehicles is the part of vehicle seat, the part of air bag component, the perhaps part of described vehicle body.
9. installing side airbag equipment as claimed in claim 1, wherein, described air bag comprises second chamber, this second chamber extends on the part of first chamber, and is configured to protect the chest region of automotive occupant.
10. installing side airbag equipment as claimed in claim 9, wherein, described air bag comprises the 3rd chamber, the 3rd chamber extends on described first chamber, and is configured to protect the head zone of automotive occupant.
11. installing side airbag equipment as claimed in claim 1, wherein, the described chamber of described air bag has different internal pressures after expanding.
12. installing side airbag equipment as claimed in claim 1, wherein, first chamber is limited by borderline region, and the part of described function band is fixed to described borderline region.
13. installing side airbag equipment as claimed in claim 1, wherein, described function is with seam to be bonded to described air bag or tackiness is bonded to described air bag.
14. installing side airbag equipment as claimed in claim 1, wherein, described function band forms ring or forms bag.
15. installing side airbag equipment as claimed in claim 1 wherein also comprises at least two parts that make described air bag at least one additional functionality band connected to one another.
16. installing side airbag equipment as claimed in claim 1, wherein, at least a portion of described function band is in the inner extension of described air bag.
17. installing side airbag equipment as claimed in claim 1, wherein, described function band comprises at least two parts seam connected to one another that makes described function band, so that shorten the effective length of described function band, and described seam construction is for to be torn during described airbag deployment.
18. installing side airbag equipment as claimed in claim 1, wherein, described function band is configured to aerification during described airbag inflation.
19. installing side airbag equipment as claimed in claim 1, wherein, described function band and described air bag are made parts.
20. installing side airbag equipment as claimed in claim 1 wherein also comprises connecting the holding device of gas generator to the part of the part of vehicle seat or vehicle body.
21. installing side airbag equipment as claimed in claim 20, wherein, described holding device comprises and connects the fixed part of described holding device to the part of the part of described vehicle seat or described vehicle body.
22. installing side airbag equipment as claimed in claim 21, wherein, described fixed part has the longitudinal extension design.
23. installing side airbag equipment as claimed in claim 21, wherein, the part of described function band is fixed to the part of described vehicle seat or the part of described vehicle body with the described fixed part of described holding device.
24. installing side airbag equipment as claimed in claim 21, wherein, described fixed part is by bolted connection another part to described holding device, and the part of described function band is fixed to described bolt.
25. installing side airbag equipment as claimed in claim 21, wherein, the part of described function band is the ring that is suspended on the described fixed part of described holding device.
26. as claim 21 described installing side airbag equipment, wherein, described fixed part comprises the end, this end is away from described air bag bending, and the described ring of described function band is suspended on this end.
27. installing side airbag equipment as claimed in claim 1, wherein, described air bag is the integral part by the air bag component that module cover centered on, and the part of described function band is fixed to described module cover.
28. installing side airbag equipment as claimed in claim 27, wherein, described module cover comprises the upper and lower, after air bag component is assembled in the backrest of vehicle seat, described upper side is to the side of described backrest, described dorsad side, described bottom, and the part of described function band is connected to described bottom.
29. installing side airbag equipment as claimed in claim 28, wherein, the described bottom of described module cover comprises fixedly band, and the part of described function band is suspended on this fixedly on the band.
30. be used for the installing side airbag equipment of vehicle occupant restraint system, comprise:
Inflatable air bag;
The function band; With
Be used to keep the holding device of gas generator,
Wherein, described air bag comprises and is used to connect described air bag at least one connection structure to described holding device that described connection structure is arranged on the described function band that is fixed to described air bag.
31. installing side airbag equipment as claimed in claim 30, wherein, described function band comprises and is applicable at least two connection structures that are connected to described holding device, optionally, have only one in the described connection structure to be connected to described holding device, and described connection structure is constructed so that the shape that had of described air bag after launching depends on which connection structure in the described connection structure is connected to described holding device.
32. installing side airbag equipment as claimed in claim 30, wherein, described function band is provided with along the surface of described air bag.
33. installing side airbag equipment as claimed in claim 30, wherein, the described connection structure of described function band is loop design or the design of bag shape.
34. installing side airbag equipment as claimed in claim 30, wherein, described holding device comprises the longitudinal extension fixed part, is used to connect described holding device to the part of vehicle seat or the part of vehicle body
35. installing side airbag equipment as claimed in claim 34, wherein, described function band comprises the ring as connection structure, and this ring forms transverse to the longitudinal direction of described function band, and can guide the described fixed part of described holding device by this ring.
36. installing side airbag equipment as claimed in claim 35, wherein, the ring that described fixed part is roughly parallel to described function band extends.
37. installing side airbag equipment as claimed in claim 35, wherein, described ring extends along the guiding direction of passage on the whole width of described function band.
38. installing side airbag equipment as claimed in claim 35, wherein, described function band is a multilayer, and is seamed to described air bag along its vertical side between described ring.
39. installing side airbag equipment as claimed in claim 35, wherein, described ring is formed by the seam with respect to the described longitudinal direction horizontal expansion of described function band.
40. installing side airbag equipment as claimed in claim 34, wherein, an end of the described fixed part of described holding device is angled away from described air bag, and is configured to prevent to be suspended on the described function band slippage on the described fixed part.
41. installing side airbag equipment as claimed in claim 30, wherein, the volume that described air bag occupies after launching depends on which connection structure in the described connection structure is connected to described holding device.
CN2007101278423A 2006-06-29 2007-06-29 Side airbag Expired - Fee Related CN101096198B (en)

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DE202006010362.7 2006-06-29

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JP2008007104A (en) 2008-01-17
US7712766B2 (en) 2010-05-11
CN101096198B (en) 2011-06-29
DE202006010362U1 (en) 2006-09-14
JP5243737B2 (en) 2013-07-24
EP1873023B1 (en) 2011-07-20
US20080012271A1 (en) 2008-01-17

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